#include <iostream>

using namespace std;


// From tweet : https://twitter.com/vzverovich/status/1460699076727476225
// However, the testing result is not as what the poster complains about
// Tested in VS2015 commandline x64 prompt environment
struct Foo
{
	Foo() = default;

	int v;
};

struct Bar
{
	Bar();

	int v;
};

Bar::Bar() = default;

int main()
{
	Foo fo = {};
	Bar ba = {};
	cout<<fo.v<<" "<<ba.v<<endl;
	return 0;
}